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发明名称
Improvements in compass repeater systems
摘要
申请公布号
GB1114747(A)
申请公布日期
1968.05.22
申请号
GB19650035135
申请日期
1965.08.17
申请人
N.V. NIEUWE ROTTERDAMSCHE INSTRUMENTENFABRIEK "OBSERVATOR"
发明人
分类号
G08C19/38
主分类号
G08C19/38
代理机构
代理人
主权项
地址
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